Air quality in Pleasant Hills
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
8.8 µg/m³
WHO guideline 15
PM10
10.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 8.8 µg/m³
37Good
10:00 PM
💨
PM2.5 8.2 µg/m³
36Good
11:00 PM
💨
PM2.5 7.8 µg/m³
35Good
12:00 AM
💨
PM2.5 7.6 µg/m³
34Good
1:00 AM
💨
PM2.5 7.5 µg/m³
32Good
2:00 AM
💨
PM2.5 7.7 µg/m³
32Good
3:00 AM
💨
PM2.5 8.3 µg/m³
35Good
4:00 AM
💨
PM2.5 9.1 µg/m³
38Good
5:00 AM
💨
PM2.5 10.4 µg/m³
43Good
6:00 AM
💨
PM2.5 12.4 µg/m³
52Moderate
7:00 AM
💨
PM2.5 15.9 µg/m³
59Moderate
8:00 AM
💨
PM2.5 15 µg/m³
57Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
76
Mon
💨
Unhealthy for Sensitive Groups · UV High
101
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
147
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
138
Thu
💨
Moderate · UV High
70